Effects of Dietary Supplementation of Oregano Essential Oil to Sows on Oxidative Stress Status, Lactation Feed Intake of Sows, and Piglet Performance

Table 1

Composition of the gestation and lactation diets (as-fed basis).

Item	Gestation	Lactation
Ingredient, %
Corn	56.30	54.40
Soybean meal, 43% CP	10.00	26.00
Wheat bran	30.40	11.00
Calcium carbonate	1.20	1.51
Dicalcium phosphate	1.04	1.23
Salt	0.40	0.26
Mildewcide^1	0.12	0.10
Choline chloride	0.14	1.00
Premix^2	0.40	1.50
Nutrient composition
Net energy, MJ/kg^3	9.32	10.36
Crude protein, %	14.06	18.92
Lysine, %^3	0.61	1.03
Calcium, %^3	0.77	1.06
Available phosphorus, %^3	0.33	0.45

Mildewcide: ammonium propionate.
Provided per kg of diet: Cu 30 mg; Fe 160 mg; Zn 160 mg; Mn 55 mg; I 0.5 mg; Se 0.5; Co 0.8 mg; Cr 0.2 mg; Vitamin A 14000 IU; Vitamin D₃ 2900 IU; Vitamin E 120 mg; Vitamin K₃ 6 mg; Vitamin B₁ 2.4 mg; Vitamin B₂ 8.5 mg; Vitamin B₆ 4.5 mg; Vitamin B₁₂ 0.03 mg; Vitamin H 0.55 mg; Pantothenic acid 30 mg; Folic acid 5 mg; Nicotinamide 50 mg.
Calculated chemical concentrations using values for feed ingredients from the National Research Council (1998).